21 St Crispin Road is a four-bedroom detached house in Earls Barton, Northampton, Northampton (NN6 0PG). It has a recorded floor area of 91 m² (around 979 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (June 2011) shows a D (score 60), on the cusp of jumping into the C band. The latest certificate is from June 2011, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 5.9% per year against 0% for the wider region. Today's modelled estimate of £374,000 is 19.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£320/sq ft) was about 96% above the typical sold price in the postcode. One planning record on file: an extension approved in 2019. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. At 91 m² it's 18.1% smaller than the typical home in the postcode (111 m² median across 26 EPCs). Sold June 2019 for £313,000.
21 St Crispin Road's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 13 Jun 2021
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Part single, part two storey · Side and rear of property
Demolition of existing conservatory. Part single, part two storey side extension with single storey rear extension along with associated internal alterations. Extension of front canopy above garage over porch.
21 St Crispin Road has more than tripled in price since its earliest registered sale in 1995.
£374,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 24 years.
£313,000
Growth on file: 5.9% per year over 24 years.
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21 St Crispin Road is notably below the street on epc rating.
Price per m²
£3,441
Street avg £2,759
Floor Area
91 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
48.2dB

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Full planning data for 21 St Crispin Road, Earls Barton, Northampton, NN6 0PG
Every application and decision on this property and nearby, in full, in the report.
28 June 2019Most recent
£313,000
+40.4%over 15 years18 May 2004
£223,000
+182.3%over 8 years23 August 1995
£78,995
Median price across the last 5 sales in NN6 0PG: £385,000 (2025–2023).
26 St Crispin Road Earls Barton Northampton
Sold Jul 2025
24 St Crispin Road Earls Barton Northampton
Sold Jul 2024
31 St Crispin Road Earls Barton Northampton
Sold Jun 2024
30 St Crispin Road Earls Barton Northampton
Sold Dec 2023
4 St Crispin Road Earls Barton Northampton
Sold Aug 2023
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
4.3 t/year
Street avg 4.4 t/year
NN6 0LZ
St Crispin Road — bus stop.
Closest school
0.6 km
Earls Barton Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
39.5dB